Wave optics bingo

Exercise and reference answers

Clues and terms

1. Clue

   A surface of constant phase.

   Item

   Wavefront

2. Clue

   Every point on a wavefront is a source of wavelets.

   Item

   Huygens

3. Clue

   Sources whose phase difference never changes.

   Item

   Coherent

4. Clue

   Dark and bright bands on the screen.

   Item

   Fringes

5. Clue

   Waves bending round obstacles and corners.

   Item

   Diffraction

6. Clue

   Long chain molecules aligned in one direction.

   Item

   Polaroid

7. Clue

   The direction a polaroid lets the electric vector through.

   Item

   Pass-axis

8. Clue

   Angle where reflected light is totally polarised.

   Item

   Brewster

9. Clue

   The field oscillates at right angles to the travel.

   Item

   Transverse

Instructions

Read each clue and tap the term it describes.

Explanation